View Compilation Error

0_0_14477839_18787.cpp:396:1: error: 'BigInteger' does not name a type
 BigInteger FIB[1010];
 ^
0_0_14477839_18787.cpp: In function 'int main()':
0_0_14477839_18787.cpp:410:5: error: 'FIB' was not declared in this scope
     FIB[1] = FIB[2] = 1;
     ^
0_0_14477839_18787.cpp:419:9: error: 'BigInteger' was not declared in this scope
         BigInteger m;
         ^
0_0_14477839_18787.cpp:420:16: error: 'm' was not declared in this scope
         cin >> m;
                ^
0_0_14477839_18787.cpp:425:28: error: expected ';' before 'ans'
                 BigInteger ans = m-FIB[i-2];
                            ^
0_0_14477839_18787.cpp:427:28: error: expected ';' before 'anw'
                 BigInteger anw = ans%mod;
                            ^
0_0_14477839_18787.cpp:428:17: error: 'anw' was not declared in this scope
                 anw.print();
                 ^